mfd: vexpress-sysreg: Remove LEDs code
As the current LEDs code breaks other platform, remove it. It shall be replaced by a generic "MMIO LEDs" driver. Reported-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Pawel Moll <pawel.moll@arm.com> Tested-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Olof Johansson <olof@lixom.net>
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@ -473,80 +473,3 @@ static int __init vexpress_sysreg_init(void)
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return platform_driver_register(&vexpress_sysreg_driver);
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return platform_driver_register(&vexpress_sysreg_driver);
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}
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}
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core_initcall(vexpress_sysreg_init);
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core_initcall(vexpress_sysreg_init);
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#if defined(CONFIG_LEDS_CLASS)
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struct vexpress_sysreg_led {
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u32 mask;
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struct led_classdev cdev;
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} vexpress_sysreg_leds[] = {
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{ .mask = 1 << 0, .cdev.name = "v2m:green:user1",
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.cdev.default_trigger = "heartbeat", },
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{ .mask = 1 << 1, .cdev.name = "v2m:green:user2",
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.cdev.default_trigger = "mmc0", },
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{ .mask = 1 << 2, .cdev.name = "v2m:green:user3",
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.cdev.default_trigger = "cpu0", },
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{ .mask = 1 << 3, .cdev.name = "v2m:green:user4",
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.cdev.default_trigger = "cpu1", },
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{ .mask = 1 << 4, .cdev.name = "v2m:green:user5",
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.cdev.default_trigger = "cpu2", },
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{ .mask = 1 << 5, .cdev.name = "v2m:green:user6",
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.cdev.default_trigger = "cpu3", },
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{ .mask = 1 << 6, .cdev.name = "v2m:green:user7",
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.cdev.default_trigger = "cpu4", },
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{ .mask = 1 << 7, .cdev.name = "v2m:green:user8",
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.cdev.default_trigger = "cpu5", },
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};
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static DEFINE_SPINLOCK(vexpress_sysreg_leds_lock);
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static void vexpress_sysreg_led_brightness_set(struct led_classdev *cdev,
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enum led_brightness brightness)
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{
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struct vexpress_sysreg_led *led = container_of(cdev,
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struct vexpress_sysreg_led, cdev);
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unsigned long flags;
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u32 val;
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spin_lock_irqsave(&vexpress_sysreg_leds_lock, flags);
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val = readl(vexpress_sysreg_base + SYS_LED);
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if (brightness == LED_OFF)
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val &= ~led->mask;
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else
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val |= led->mask;
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writel(val, vexpress_sysreg_base + SYS_LED);
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spin_unlock_irqrestore(&vexpress_sysreg_leds_lock, flags);
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}
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static int __init vexpress_sysreg_init_leds(void)
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{
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struct vexpress_sysreg_led *led;
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int i;
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/* Clear all user LEDs */
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writel(0, vexpress_sysreg_base + SYS_LED);
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for (i = 0, led = vexpress_sysreg_leds;
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i < ARRAY_SIZE(vexpress_sysreg_leds); i++, led++) {
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int err;
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led->cdev.brightness_set = vexpress_sysreg_led_brightness_set;
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err = led_classdev_register(vexpress_sysreg_dev, &led->cdev);
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if (err) {
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dev_err(vexpress_sysreg_dev,
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"Failed to register LED %d! (%d)\n",
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i, err);
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while (led--, i--)
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led_classdev_unregister(&led->cdev);
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return err;
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}
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}
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return 0;
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}
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device_initcall(vexpress_sysreg_init_leds);
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#endif
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